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 Level 4
 
 D - DermatologicalsD04 - Antipruritics, including antihistamines, anesthetics, etc.D04A - Antipruritics, including antihistamines, anesthetics, etc.D04AB - Anesthetics for topical use
 
 D04AB01 - LidocaineD04AB02 - CinchocaineD04AB03 - OxybuprocaineD04AB04 - BenzocaineD04AB05 - QuinisocaineD04AB06 - TetracaineD04AB07 - PramocaineD04AB30 - Anesthetics for topical use, combinationsD04AB51 - Lidocaine, combinationsD04AB54 - Benzocaine, combinationsD04ABXX - Dyclonine
 
 
 
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